Class 7 Science Chapter 1: The Ever-Evolving World of Science — practice questions with answers
Free practice for Class 7 Science, Chapter 1: The Ever-Evolving World of Science. Try the solved questions below, then take a free test with instant marking and explanations.
25 questions11 easy, 11 medium, 3 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. According to the chapter, science is best described as ______.
- a process and a way of thinking that welcomes curiosity and questions
- a list of facts to memorise
- only experiments in a laboratory
- a finished set of answers
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Answer: A. a process and a way of thinking that welcomes curiosity and questions
Why: Science is a process — a way of thinking that welcomes curiosity, asks questions and is open to the unknown. [p.2]
Why: Science is a process — a way of thinking that welcomes curiosity, asks questions and is open to the unknown. [p.2]
Q2. What kinds of deeper questions does the book say we will ask in Grade 7?
- How do things work? Why do events happen? What patterns are in nature?
- Only ‘what is the answer?’
- Questions about cricket scores
- No questions at all
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Answer: A. How do things work? Why do events happen? What patterns are in nature?
Why: Grade 7 asks deeper questions: how things work, why events happen, and what patterns we see. [p.2]
Why: Grade 7 asks deeper questions: how things work, why events happen, and what patterns we see. [p.2]
Q3. The page numbers in the book follow the flight of a butterfly and a ______.
- paper plane
- kite
- bird
- rocket
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Answer: A. paper plane
Why: Page numbers follow a butterfly and a paper plane — learning takes flight when curiosity leads. [p.1]
Why: Page numbers follow a butterfly and a paper plane — learning takes flight when curiosity leads. [p.1]
Q4. The chapter says the different branches of science in the book are not connected to each other.
True or false?
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Answer: False
Why: Chapters cover physics, chemistry, biology and earth sciences, but they are all interconnected. [p.2]
Why: Chapters cover physics, chemistry, biology and earth sciences, but they are all interconnected. [p.2]
Q5. Which topics does the chapter preview for Grade 7? (Tick all that apply)
- Acidic and basic substances
- How heat flows
- Life processes in plants and animals
- How to repair cars
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Answer: A. Acidic and basic substances; B. How heat flows; C. Life processes in plants and animals
Why: It previews substances, electricity, metals, changes, heat, adolescence, time, life processes, light and the Earth–Moon–Sun. [p.2–5]
Why: It previews substances, electricity, metals, changes, heat, adolescence, time, life processes, light and the Earth–Moon–Sun. [p.2–5]
Q6. Why does the chapter say our bodies change rapidly in the middle-school years?
- We are growing — this is a time of rapid change
- Because of school exams
- Because of the weather
- They do not change
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Answer: A. We are growing — this is a time of rapid change
Why: Especially around the middle-school years our bodies change rapidly — the topic of adolescence. [p.4]
Why: Especially around the middle-school years our bodies change rapidly — the topic of adolescence. [p.4]
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Frequently asked questions
How many practice questions are there for Class 7 Science Chapter 1: The Ever-Evolving World of Science?
25 questions (11 easy, 11 medium, 3 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 7 Science syllabus, used by CBSE and many state boards.